| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test TestGCLogRotationViaJcmd.java |
| * @bug 7090324 |
| * @summary test for gc log rotation via jcmd |
| * @library /testlibrary |
| * @run main/othervm -Xloggc:test.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=3 TestGCLogRotationViaJcmd |
| * |
| */ |
| import com.oracle.java.testlibrary.*; |
| import java.io.File; |
| import java.io.FilenameFilter; |
| |
| public class TestGCLogRotationViaJcmd { |
| |
| static final File currentDirectory = new File("."); |
| static final String LOG_FILE_NAME = "test.log"; |
| static final int NUM_LOGS = 3; |
| |
| static FilenameFilter logFilter = new FilenameFilter() { |
| @Override |
| public boolean accept(File dir, String name) { |
| return name.startsWith(LOG_FILE_NAME); |
| } |
| }; |
| |
| public static void main(String[] args) throws Exception { |
| // Grab the pid from the current java process |
| String pid = Integer.toString(ProcessTools.getProcessId()); |
| |
| // Create a JDKToolLauncher |
| JDKToolLauncher jcmd = JDKToolLauncher.create("jcmd") |
| .addToolArg(pid) |
| .addToolArg("GC.rotate_log"); |
| |
| for (int times = 1; times < NUM_LOGS; times++) { |
| // Run jcmd <pid> GC.rotate_log |
| ProcessBuilder pb = new ProcessBuilder(jcmd.getCommand()); |
| |
| // Make sure we didn't crash |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| output.shouldHaveExitValue(0); |
| } |
| |
| // GC log check |
| File[] logs = currentDirectory.listFiles(logFilter); |
| if (logs.length != NUM_LOGS) { |
| throw new Error("There are only " + logs.length |
| + " logs instead " + NUM_LOGS); |
| } |
| |
| } |
| |
| } |
| |